mx.www.core39.com - robtex.com
mx.www.core39.com
| DNSSEC | ⚠️ Not signed | ||||||
www.core39.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:dcf7🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:4e79🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.78.121Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.220.247🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.78.121, 172.67.220.247 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:dcf7, 2606:4700:3035::6815:4e79 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com | ||||||
Previously MX for
Same first word
Similar names
DNS History
2 records (0 active, 2 former)
○A66.96.140.1842016-12-11 → 2016-12-11 · 2 obs
● 2016-12-11 23:53:54
○ 2026-05-11 00:32:22
○ 2026-05-11 00:32:22
○A66.96.140.1852016-12-11 → 2016-12-11 · 2 obs
● 2016-12-11 23:53:54
○ 2026-05-11 00:32:22
○ 2026-05-11 00:32:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| core39.com | ivan.ns.cloudflare.com, ines.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.120
NS records: ivan.ns.cloudflare.com, ines.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core39.com (unsigned zone)
⏱️ Timing
Total: 82ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ivan.ns.cloudflare.com, ivan.ns.cloudflare.com, ivan.ns.cloudflare.com...)